125037289 has 4 divisors (see below), whose sum is σ = 134655556. Its totient is φ = 115419024.

The previous prime is 125037287. The next prime is 125037323. The reversal of 125037289 is 982730521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 119180889 = 2420^2 + 10917^2 .

It is a cyclic number.

It is not a de Polignac number, because 125037289 - 2¹ = 125037287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125037281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809114 + ... + 4809139.

It is an arithmetic number, because the mean of its divisors is an integer number (33663889).

Almost surely, 2^125037289 is an apocalyptic number.

It is an amenable number.

125037289 is a deficient number, since it is larger than the sum of its proper divisors (9618267).

125037289 is an equidigital number, since it uses as much as digits as its factorization.

125037289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618266.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 125037289 is about 11182.0073779264. The cubic root of 125037289 is about 500.0497137236.

The spelling of 125037289 in words is "one hundred twenty-five million, thirty-seven thousand, two hundred eighty-nine".